51953704436 has 24 divisors (see below), whose sum is σ = 92667649536. Its totient is φ = 25480948640.

The previous prime is 51953704433. The next prime is 51953704447. The reversal of 51953704436 is 63440735915.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51953704433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408356 + ... + 520251.

It is an arithmetic number, because the mean of its divisors is an integer number (3861152064).

Almost surely, 2^51953704436 is an apocalyptic number.

It is an amenable number.

51953704436 is a deficient number, since it is larger than the sum of its proper divisors (40713945100).

51953704436 is a wasteful number, since it uses less digits than its factorization.

51953704436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928879 (or 928877 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 51953704436 in words is "fifty-one billion, nine hundred fifty-three million, seven hundred four thousand, four hundred thirty-six".